Solid State MCQ for NEET. We covered all the Solid State MCQ for NEET in this post for free so that you can practice well for the exam.
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MCQ on Solid State for NEET Students
An ideal gas is stored in a 49 L steel container at a pressure of 150 atm. What volume in liters would the gas occupy at a pressure of 2.1 atm if its temperature remained unchanged?
(A) 350
(B) 1750
(C) 3000
(D) 3500
Option d – 3500
Assuming equal ionization in each case, the maximum freezing point will be for 1 molal aqueous solution of ……….
(A) [Fe(H₂O)6]Cl3
(B) [Fe(H₂O),Cl]Cl₂.H₂O
(C) [Fe(H₂O)4Cl₂]CI.2H₂O
(D) [Fe(H₂O)3Cl3].3H₂O
Option d – [Fe(H₂O)3Cl3].3H₂O
A metal ‘x’ crystallizes in an fcc lattice. If the radius of metal ‘x’ is 184 pm, then the edge length of the unit cell will be ………
(A) 124.2 pm
(B) 260.2 pm
(C) 520.4 pm
(D) 638.8 pm
Option c – 520.4 pm
For an fcc crystal, the radius of an octahedral void is …….. times larger than a tetrahedral void.
(A) 1.52
(B) 1.84
(C) 3.68
(D) 4.28
Option b – 1.84
100 mL of 0.1 M KCl solution contains ………
(A) 0.01 g KCI
(B) 0.1 g KCI
(C) 0.1 mol KCl
(D) 0.01 mol KCl
Option d – 0.01 mol KCl
For a given mass of an ideal gas, which of the following graph is NOT a straight line?
(A) Graph of P versus 1/V at a constant temperature.
(B) Graph of P versus V at a constant temperature.
(C) Graph of V versus T (K) at constant pressure.
(D) Graph of P versus T (K) at constant volume.
Option b – Graph of P versus V at a constant temperature.
Substance ‘X’ and ‘Y’ when dissolved separately in a solvent gave molar mass corresponding to the molecular formula ‘X2’ and ‘Y3’ respectively. The van’t Hoff factor (i) are …….. respectively for ‘X’ and ‘Y’.
(A) 0.33 and 0.5
(B) 0.2 and 0.33
(C) 0.5 and 0.33
(D) 2 and 3
Option c – 0.5 and 0.33
How many moles of an ideal gas would be present in a 37 Litre vessel at 97 °C and pressure of 3 atm?
(A) 3.65 moles
(B) 8.08 moles
(C) 0.036 moles
(D) 13.94 moles
Option a – 3.65 moles
Which of the following is an example of a ferrimagnetic substance?
(A) 0₂
(B) MgFe₂O4
(C) NaCl
(D) Cr₂O
Option b – MgFe₂O4
The boiling point of water at a place is found to be 110 °C. At this place, ……….
(A) external pressure is less than I atm
(B) external pressure is greater than 1 atm
(C) external pressure is equal to 1 atm
(D) external pressure is equal to zero
Option b – external pressure is greater than 1 atm
The freezing point and boiling point of 1% (W/W) solution of ethylene glycol in water will be ……… respectively.
(A) 10°C, 90°C
(B) 0°C, 100°C
(C) below 0°C, above 100°C
(D) above 0°C, below 100°C
Option c – below 0°C, above 100°C
A sample of a gas occupies a volume of 688 mL at 20 °C and 72 cm of Hg as pressure. What volume would this gas occupy at STP?
(A) 500.4 mL
(B) 607.3 mL
(C) 782.4 mL
(D) 823.7 mL
Option b – 607.3 mL
A gas cylinder containing cooking gas can withstand a pressure of 15 atm. The pressure gauge of the cylinder indicates 12 atm at 27 °C. Due to a sudden fire in the building, the temperature starts rising. At what temperature will the cylinder explode?
(A) 99 °C
(B) 101 °C
(C) 102 °C
(D) 106 °C
Option c – 102 °C
A solid compound X, Y, and Z atoms in a cubic lattice with X atoms occupying the corners, Y atoms in the body-centered positions, and Z atoms at the center of faces of the unit cell. What is the formula of the compound?
(A) XY₂Z3
(B) XYZ3
(C) X₂Y₂Z3
(D) XYZ
Option b – XYZ3
A liquid solution is prepared by mixing acetone and ethanol. Which one of the following statements is CORRECT regarding the behavior of the solution?
(A) The solution formed is an ideal solution.
(B) The solution is non-ideal, showing a positive deviation from Raoult’s law.
(C) The solution is non-ideal, showing a negative deviation from Raoult’s law.
(D) The solution formed is a maximum boiling azeotrope, at a specific composition.
Option b – The solution is non-ideal, showing a positive deviation from Raoult’s law.
Which of the following is CORRECT about Henry’s constant, KH? (1) Greater the value of KH, the lower the solubility of the gas at the same pressure and temperature. (II) The slope of the straight line obtained by plotting a graph of partial pressure of gas versus mole fraction of gas in solution gives KH. (III) KH is a function of the nature of the gas. (IV) All gases have the same value of KH at the same temperature.
(A) I, II
(B) I, II and III
(C) III, IV
(D) I, II, III and IV
Option b – I, II and III
Which of the following is INCORRECT?
(A) Quartz is a crystalline solid while quartz glass is an amorphous solid.
(B) Quartz has short-range order while quartz glass has long-range order.
(C) Quartz has a sharp melting point while quartz glass softens over a range of temperatures.
(D) Quartz is a true solid while quartz glass is a pseudo-solid.
Option b – Quartz has short-range order while quartz glass has long-range order.
Consider an ideal solution of 2 moles of methyl alcohol and 1 mole of ethyl alcohol at a particular temperature. The vapor pressure of pure methyl alcohol and pure ethyl alcohol at this temperature is 88.7 mm Hg and 44.5 mm Hg respectively. The partial vapor pressure of methyl alcohol is ………..
(A) 59.13 mm Hg
(B) 133.05 mm Hg
(C) 29.5 mm Hg
(D) 66.75 mm Hg
Option a – 59.13 mm Hg
A metal crystallizes into a cubic lattice containing a sequence of layers as an ABCABC pattern. If the radius of the metal atom is 174 pm, then the distance between the two successive layers (i.e., A and B) is …………
(A) 123.0 pm
(B) 174 pm
(C) 284.1 pm
(D) 492.2 pm
Option c – 284.1 pm
When one mole of an ideal gas is cooled from 227 °C to 127 °C at a constant pressure of 1 atm, its volume ………
(A) decreases from V to 0.3V
(B) decreases from V to 0.5V
(C) decreases from V to 0.6V
(D) decreases from V to 0.8V
Option d – decreases from V to 0.8V
Molar solution means I mole of solute present in ………
(A) 1000 g of solvent
(B) 1 liter of solvent
(C) 1 liter of solution
(D) 1000 g of solution
Option c – 1 liter of solution
The mass of sucrose and water required to prepare 350 g of 35% (W/W) sucrose solution are ………. respectively.
(A) 62.5 g and 287.5 g
(B) 77.77 g and 272.23 g
(C) 122.5 g and 227.5 g
(D) 87.5 and 262.5 g
Option c – 122.5 g and 227.5 g
The density of a solution containing 12% by mass of sulphuric acid is 1.09 g/mL. Find the molarity of the solution.
(A) 1.33 M
(B) 1.43 M
(C) 1.53 M
(D) 1.63 M
Option a – 1.33 M
The van der Waals constant ‘a’ for four gases P, Q, R, and S are 1.36, 4.37, 1.39, and 2.25 L² atm mol respectively. The gas that can be liquefied most easily will be ………
(A) P
(B) Q
(C) R
(D) S
Option b – Q
An element ‘X’ has a bcc lattice. The unit cell length is 420 pm. What is the distance between the nearest neighbors?
(A) 140 pm
(B) 297 pm
(C) 364 pm
(D) 560 pm
Option c – 364 pm
How many moles of NaCl are present in 250 mL of a 0.5 M NaCl solution?
(A) 0.125 mol
(B) 0.25 mol
(C) 0.50 mol
(D) 2.0 mol
Option a – 0.125 mol
To what temperature must an ideal gas be heated under isobaric conditions to increase the volume from 100 cm³ at 25 °C to 1 dm³?
(A) 2500 °C
(B) 2707 °C
(C) 2980 °C
(D) 3253 °C
Option b – 2707 °C
Which of the following statements is INCORRECT about the hexagonal close packing in three dimensions?
(A) This arrangement is referred to as ABAB type.
(B) It has 74% packing efficiency.
(C) Tetrahedral voids of the second layer are covered by the spheres of the third layer.
(D) In this arrangement, the spheres of the fourth layer are exactly aligned with those of the first layer.
Option d – In this arrangement, the spheres of the fourth layer are exactly aligned with those of the first layer.
The concentration of pollutant is ppm (W/W) if 450 mg of pollutant is present in 150 kg of sample.
(A) 3 ppm
(B) 6 ppm
(C) 3000 ppm
(D) 330 ppm
Option a – 3 ppm
At what temperature will the total KE of 0.3 moles of ‘x’ gas be the same as the total KE of 0.4 moles of ‘y’ gas at 400 K?
(A) 260.3 K
(B) 806.3 K
(C) 260.3 °C
(D) 533.3 °C
Option c – 260.3 °C
Which of the following is INCORRECT? ( Solid State MCQ for NEET )
(A) Pure silicon and germanium are intrinsic semiconductors.
(B) Silicon doped with traces of arsenic is an extrinsic semiconductor.
(C) With the increase in temperature, the electrical conductivity of semiconductors increases.
(D) Germanium doped with traces of gallium is an intrinsic semiconductor.
Option d – Germanium doped with traces of gallium is an intrinsic semiconductor.
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